Base flashing against a vertical sidewall shall be continuous or step flashing and shall be not less than 4 inches (102 mm) in height and 4 inches (102 mm) in width and shall direct water away from the vertical sidewall onto the roof or into the gutter. Wood shakes shall comply with the requirements of Table R905.8.5. Paint systems in accordance with ASTM A755 shall be applied over steel products with corrosion-resistant coatings complying with ASTM A792, ASTM A875, ASTM A463, or ASTM A653. R905.2Asphalt shingles. The installation of liquid-applied roofing shall comply with the provisions of this section. The second R-value applies when more than half of the insulation is on the interior of the mass wall. For SI: 1 ounce per square foot = 0.305 kg/m, The installation of modified bitumen roofing shall comply with the provisions of this section and the manufacturer's, Modified bitumen roofing shall have a design. Asphalt shingles shall be tested in accordance with ASTM D7158. Galvanized fasteners shall be used for steel roofs. Asphalt shingles shall be used only on roof. Chapter 9 also provides requirements for roof drainage, flashing, above-deck thermal insulation, rooftop-mounted photovoltaic systems and recovering or replacing an existing roof covering. Slate shingles shall be secured to the roof with two fasteners per slate. 12 oz/sq ft for preformed metal shingle systems. Terne coating of 40 lb per double base box, field painted where applicable in accordance with, 0.027 inch minimum thickness: 99.995% electrolytic high-, ASTM D6162; D6163; D6164; D6222; D6223; D6298, As an alternative, self-adhering polymer-modified bitumen, As an alternative, a minimum 4-inch-wide (102 mm) strip of self-adhering polymer-modified bitumen membrane complying with ASTM D1970, installed in accordance with the, The cap nail shank shall be not less than 0.083 inch (2.11 mm) for ring shank cap nails and 0.091 inch (2.31 mm) for smooth shank cap nails. Mineral-surfaced roll roofing shall be fastened to solidly sheathed roofs. For SI: 1 foot = 304.8 mm; 1 mile per hour = 0.447 m/s. Slate shingles shall be secured to the roof with two fasteners per slate. For SI: 1 inch = 25.4 mm, 1 mile per hour = 0.447 m/s. Roof valley flashing shall be not less than No. Class A, B or C roofing shall be installed in, Flashings shall be installed in a manner that prevents moisture from entering the wall and roof through joints in copings, through moisture permeable materials and at intersections with parapet, Flashings shall be installed at wall and roof intersections, wherever there is a change in roof, A cricket or saddle shall be installed on the ridge side of any, The requirements set forth in this section shall apply to the application of, ASTM D6380 Class M mineral-surfaced roll roofing. Asphalt shingle packaging shall bear a. Base flashing shall be of either corrosion-resistant metal of minimum nominal 0.019-inch (0.5 mm) thickness or mineral-surfaced roll roofing weighing not less than 77 pounds per 100 square feet (4 kg/m. Valley linings of the following types shall be permitted: For SI: 1 inch = 25.4 mm, 1 pound = 0.454 kg.
For open valleys (valley lining exposed) lined with metal, the valley lining shall be not less than 24 inches (610 mm) wide and of any of the corrosion-resistant metals in Table R905.2.8.2. Slate shingles shall be installed in accordance with this chapter and the manufacturer's instructions. Slate shingles shall be installed in accordance with this chapter and the manufacturer's instructions.
Chapter 9: Roof Assemblies, 2020 Indiana Residential Code | UpCodes Valley linings of the following types shall be permitted: For SI: 1 inch = 25.4 mm, 1 pound = 0.454 kg. Foamed-in-place roof insulation shall be installed in accordance with this chapter and the manufacturer's instructions. or less, R905.2.4.1 Wind Resistance of Asphalt Shingles, R905.14 Sprayed Polyurethane Foam Roofing, R905.17 Building-Integrated Photovoltaic (BIPV) Roof Panels Applied Directly to the Roof Deck, Section R907 Rooftop-Mounted Photovoltaic Panel Systems, R907.1 Rooftop-Mounted Photovoltaic Panel Systems, Building-integrated photovoltaic products. Nails shall be corrosion resistant and not less than 11-gage, Tile shall be applied in accordance with this chapter and the, At the juncture of roof vertical surfaces, flashing and counterflashing shall be provided in accordance with this chapter and the, Roof valley flashing shall be of corrosion-resistant metal of the same material as the. A liquid-applied protective coating that complies with Table 905.14.3 shall be applied not less than 2 hours nor more than 72 hours following the application of the foam. redundant requirements for stud nailing, and create consistency in the IRC for roof sheathing attachment. Wood shingles shall be laid with a side lap not less than 1, NAIL REQUIREMENTS FOR WOOD SHAKES AND WOOD SHINGLES, Roof flashing shall be not less than No. Liquid-applied roofing shall comply with ASTM C836, C957, D1227, D3468, D6083, D6694 or D6947. SECTION R804 COLD-FORMED STEEL ROOF FRAMING. Slate shingles shall be secured to the roof with two fasteners per slate. Where the existing roof has two or more applications of any type of roof . Foamed-in-place roof insulation shall be installed in accordance with this chapter and the manufacturer's instructions. hb```g``:AX,;nkga3l~/ * Foam plastic materials and installation shall comply with. Stainless steel fasteners are acceptable for metal roofs. Minimum headlap for slate shingles shall be in accordance with Table R905.6.5. CHAPTER 8 ROOF-CEILING CONSTRUCTION. are not required for roofs sheathed with lumber having a nominal width of less than 3 feet Allowable spans for lumber used as roof sheathing shall conform to Table R803.1. For open valleys, valley lining of two plies of mineral-surfaced roll roofing, complying with ASTM D3909 or ASTM D6380 Class M, shall be permitted. The bottom layer shall be 18 inches (457 mm) and the top layer not less than 36 inches (914 mm) wide.
Htt4 & -`P .+Yn0a|bZN4U+yX*iNFk $
Built-up roofs shall be installed in accordance with this chapter and the manufacturer's instructions. The installation of mineral-surfaced roll roofing shall comply with this section. The installation of sprayed polyurethane foam roofing shall comply with the provisions of this section. The installation of sprayed polyurethane foam roofing shall comply with the provisions of this section. Asphalt shingles shall be fastened to solidly sheathed decks. Wood shakes shall be installed in accordance with this chapter and the, The starter course at the eaves shall be doubled and the bottom layer shall be either 15-inch (381 mm), 18-inch (457 mm) or 24-inch (610 mm) wood shakes or wood shingles. Liquid-applied roofing shall be installed in accordance with this chapter and the, Where required, an ice barrier shall comply with, In areas where there has been a history of ice forming along the eaves causing a backup of water, as designated in, The use of above-deck thermal insulation shall be permitted provided that such insulation is covered with an. The bottom layer shall be 18 inches (457 mm) and the top layer not less than 36 inches (914 mm) wide. Built-up roofs shall be installed in accordance with this chapter and the manufacturer's instructions. For closed valleys (valley covered with shingles), valley lining of one ply of smooth roll roofing complying with ASTM D6380 and not less than 36 inches wide (914 mm) or valley lining as described in Item 1 or 2 shall be permitted. Where the roof, Where required, ice barriers shall comply with. R905.2.4.1 Wind Resistance of Asphalt Shingles, R905.14 Sprayed Polyurethane Foam Roofing, Section R907 Rooftop-Mounted Photovoltaic Systems, R907.1 Rooftop-Mounted Photovoltaic Systems, Section R909 Rooftop-Mounted Photovoltaic Panel Systems, Building-integrated photovoltaic products. Asphalt shingles shall meet the classification requirements of Table 905.2.4.1 for the appropriate ultimate design wind speed. 26 gage [0.019 inches (0.5 mm)] corrosion-resistant sheet metal and shall extend 10 inches (254 mm) from the centerline each way for roofs having, Each bundle of shingles shall be identified by a.
PDF 2018 IRC UPDATE Handout 9-1-18 - ICC A liquid-applied protective coating that complies with Table R905.14.3 shall be applied not less than 2 hours nor more than 72 hours following the application of the foam. The installation of thermoset single-ply roofing shall comply with the provisions of this section. Fasteners for asphalt shingles shall be galvanized steel, stainless steel, aluminum or copper roofing nails, minimum 12-gage [0.105 inch (3 mm)] shank with a minimum -inch-diameter (9.5 mm) head, complying with ASTM F1667, of a length to penetrate through the roofing materials and not less than inch (19.1 mm) into the roof sheathing. Mineral-surfaced roll roofing shall conform to ASTM D 3909 or ASTM D 6380, Class M. Mineral-surfaced roll roofing shall be installed in accordance with this chapter and the manufacturer's instructions.
PDF 2021 Significant Code Changes for the IRC - National Association of 2018 International Residential Code (Irc) | Icc Digital Codes Flashing against a vertical front wall, as well as soil. SECTION R801 GENERAL. Underlayment for asphalt shingles, clay and concrete tile, metal roof shingles, mineral-surfaced roll roofing, slate and slate-type shingles, wood shingles, wood shakes and metal roof panels shall conform to the applicable standards listed in this chapter. Base and cap flashing shall be installed in accordance with manufacturer's instructions. The installation of wood shakes shall comply with the provisions of this section. 0
Valley linings of the following types shall be permitted: For SI: 1 inch = 25.4 mm, 1 pound = 0.454 kg. Wolf Hollow Chapter 1, Fayette County Magistrate Court Wv, Airbnb With Hot Tub Greensboro Nc, 2017 2018 Unc Basketball Roster, Mercari Ship On Your Own Option, What Is Chip Kullik Doing Now, Barbara Meshad Dooley Age, The Glamorous Imperial Concubine Happy Or Sad Ending, Install flashing at roof penetrations and wall intersections. Slate shingles shall be secured to the roof with two fasteners per slate. Reroofing shall not be required to meet the minimum design, For roofs that provide positive drainage, recovering or replacing an existing, Complete and separate roofing systems, such as standing-seam metal roof systems, that are designed to transmit the roof loads directly to the building's structural system and do not rely on existing roofs and, Where the existing roof has two or more applications of any type of. Base flashing against a vertical sidewall shall be continuous or step flashing and shall be not less than 4 inches (102 mm) in height and 4 inches (102 mm) in width and shall direct water away from the vertical sidewall onto the roof or into the gutter. Materials and methods of application used for recovering or replacing an existing, The structural roof components shall be capable of supporting the, Flashings shall be reconstructed in accordance with, Chapter 9 addresses the design and construction of, The 24 inch measurement shall be along the, Building-integrated photovoltaic products. Nails shall be corrosion resistant and not less than 11-gage, Tile shall be applied in accordance with this chapter and the, At the juncture of roof vertical surfaces, flashing and counterflashing shall be provided in accordance with this chapter and the, Roof valley flashing shall be of corrosion-resistant metal of the same material as the. Minimum headlap for slate shingles shall be in accordance with Table 905.6.5. 233 0 obj
<>/Filter/FlateDecode/ID[<4D23A6406EEE004484C52F82EDD55E2A>]/Index[201 60]/Info 200 0 R/Length 141/Prev 323429/Root 202 0 R/Size 261/Type/XRef/W[1 3 1]>>stream
Wood shingles shall be laid with a side lap not less than 1, NAIL REQUIREMENTS FOR WOOD SHAKES AND WOOD SHINGLES, Roof flashing shall be not less than No. Foam plastic materials and installation shall comply with. For closed valleys (valley covered with shingles), valley lining of one ply of smooth roll roofing complying with ASTM D 6380 and not less than 36 inches wide (914 mm) or valley lining as described in Item 1 or 2 shall be permitted. roof sheathing, skylights, change of roof pitch, addition or relocation of mechanical units, or installation of heavier materials than were previously installed. Liquid-applied roofing shall have a design.
PDF 2018 IRC Re-Roof Guide - Town of Severance Self-adhering polymer modified bitumen. Wood shingles shall be laid with a side lap not less than 1, NAIL REQUIREMENTS FOR WOOD SHAKES AND WOOD SHINGLES, Roof flashing shall be not less than No. Mineral-surfaced roll roofing shall be fastened to solidly sheathed roofs. Sprayed polyurethane foam roofs shall have a design. Paint systems in accordance with ASTM A 755 shall be applied over steel products with corrosion-resistant coatings complying with ASTM A 792, ASTM A 875, ASTM A 463, or ASTM A 653. The installation of thermoset single-ply roofing shall comply with the provisions of this section. Thermoset single-ply roofs shall be installed in accordance with this chapter and the manufacturer's instructions. Where the existing roof covering is wood shake, slate, clay, cement or asbestos-cement tile. Roof valley flashing shall be not less than No. Install a nominal 4-inch-wide roof deck flashing tape over all roof sheathing panel seams and cover with #30 felt or equivalent synthetic underlayment. Wood shakes shall comply with the requirements of Table R905.8.5. Valley and flashing metal shall be a minimum uncoated thickness of 0.0179-inch (0.5 mm) zinc coated G90.